1. Precise quantitative results by capillary electrophoresis (CE): instrumental aspects

   • H. Wätzig
   • C. Dette

   Original Papers Pages: 403 - 410

2. A novel and fast extraction technique as an alternative to conventional separatory funnels

   • Ragnar Bye
   • Tone Agasöster
   • Arne Åsheim

   Original Papers Pages: 411 - 414

3. Transport extraction for trace element separation and preconcentration

   • S. Palágyi
   • T. Braun

   Original Papers Pages: 415 - 419

4. Separation of bromide, bromate, iodide, iodate, nitrite, nitrate and selenite anions by capillary zone electrophoresis

   • M. B. Amran
   • M. D. Lakkis
   • G. Rauret

   Original Papers Pages: 420 - 423

5. Electrocatalytic oxidation of thiosulfate on a modified nickel hexacyanoferrate film electrode

   • Xingyao Zhou
   • Shengfu Wang
   • Mian Jiang

   Original Papers Pages: 424 - 427

6. Atomic absorption determination of Cd, Co, Cu, Fe, Ni in viscous aqueous solutions of poly(ethyleneimine) using a high-pressure flow and nebulization system for sample introduction

   • H. Berndt
   • G. Schaldach
   • V. M. Shkinev

   Original Papers Pages: 428 - 431

7. Simultaneous kinetic thermometric determination of V(V) and W(VI) traces by the inhibitory effect of W(VI) on the V(V)-catalysed oxidation of thiosulphate ion by hydrogen peroxide

   • R. Forteza
   • A. Canals
   • V. Cerdà

   Original Papers Pages: 432 - 436

8. Chemiluminescent determination of vanadium in steel

   • A. Narros Sierra
   • J. S. Durand Alegría
   • A. Cabrera Martín

   Original Papers Pages: 437 - 440

9. Potentiometric titration of gold in ores with potassium iodide

   • L. C. Robles
   • C. Garcia-Olalla
   • A. J. Aller

   Original Papers Pages: 441 - 444

10. DC arc spectroscopic study of thermochemical reactions of modifiers in SiC ceramics

    • K. Flórián
    • H. Nickel
    • Z. Zadgorska

    Original Papers Pages: 445 - 450

11. Electroanalytical study of a benzodiazepinooxazole: Mexazolam

    • A. Iturbe
    • F. J. Rodriguez
    • R. M. Jiménez

    Original Papers Pages: 451 - 455

12. Some N-alkyl-naphthylazo pyridinium salts as new reagents for the spectrophotometric determination of anionic surfactants

    • Yasuaki Shimoishi
    • Haruo Miyata

    Original Papers Pages: 456 - 461

13. GC/MS determination of the mutagenic heterocyclic amines MeIQx and DiMeIQx in cooking fumes

    • Sinikka Vainiotalo
    • Katri Matveinen
    • Anne Reunanen

    Original Papers Pages: 462 - 466

14. Preconcentration of trace elements in potable liquids by means of a liquid membrane emulsion for flame atomic absorption determination

    • Yongtao Li
    • J. C. Van Loon
    • R. R. Barefoot

    Original Papers Pages: 467 - 470

15. Solvation of gold(III) chloride with tris(2-ethylhexyl) phosphate and separation from palladium(II), platinum(IV), lead(II) and copper(II)

    • Hemlata Singh
    • V. M. Shinde

    Short Communications Pages: 471 - 471

16. Oxidation of Pb²⁺ to Pb⁴⁺ by Bi⁵⁺ in HNO₃ and in CH₃COOH solution

    • M. Namiki
    • K. Tozawa
    • K. Hirokawa

    Short Communications Pages: 472 - 472

17. Potentiometric determination of the dissociation constants of weak acids in 1 mol/l KNO₃: pK_A's of aliphatic acyclic monoamines

    • R. Garner
    • J. Yperman
    • L. C. Van Poucke

    Short Communications Pages: 473 - 474

18. Direct solid vs. slurry analysis of tobacco leaves for some trace metals by graphite furnace AAS

    • R. Dobrowolski
    • J. Mierzwa

    Erratum Pages: 474 - 474